Chapter 21

Z00–Z99: Factors Influencing Health Status and Contact with Health Services

Factors Influencing Health Status and Contact with Health Services diagnostic classification updated for 2026.

Internal Codes
  • Z00.00|

    Encounter for general adult medical examination without abnormal findings

  • Z00.01|

    Encounter for general adult medical examination with abnormal findings

  • Z00.110|

    Health examination for newborn under 8 days old

  • Z00.111|

    Health examination for newborn 8 to 28 days old

  • Z00.121|

    Encounter for routine child health examination with abnormal findings

  • Z00.129|

    Encounter for routine child health examination without abnormal findings

  • Z00.2|

    Encounter for examination for period of rapid growth in childhood

  • Z00.3|

    Encounter for examination for adolescent development state

  • Z00.5|

    Encounter for examination of potential donor of organ and tissue

  • Z00.6|

    Encounter for examination for normal comparison and control in clinical research program

  • Z00.70|

    Encounter for examination for period of delayed growth in childhood without abnormal findings

  • Z00.71|

    Encounter for examination for period of delayed growth in childhood with abnormal findings

  • Z00.8|

    Encounter for other general examination

  • Z01.00|

    Encounter for examination of eyes and vision without abnormal findings

  • Z01.01|

    Encounter for examination of eyes and vision with abnormal findings

  • Z01.020|

    Encounter for examination of eyes and vision following failed vision screening without abnormal findings

  • Z01.021|

    Encounter for examination of eyes and vision following failed vision screening with abnormal findings

  • Z01.10|

    Encounter for examination of ears and hearing without abnormal findings

  • Z01.110|

    Encounter for hearing examination following failed hearing screening

  • Z01.118|

    Encounter for examination of ears and hearing with other abnormal findings

  • Z01.12|

    Encounter for hearing conservation and treatment

  • Z01.20|

    Encounter for dental examination and cleaning without abnormal findings

  • Z01.21|

    Encounter for dental examination and cleaning with abnormal findings

  • Z01.30|

    Encounter for examination of blood pressure without abnormal findings

  • Z01.31|

    Encounter for examination of blood pressure with abnormal findings

  • Z01.411|

    Encounter for gynecological examination (general) (routine) with abnormal findings

  • Z01.419|

    Encounter for gynecological examination (general) (routine) without abnormal findings

  • Z01.42|

    Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear

  • Z01.810|

    Encounter for preprocedural cardiovascular examination

  • Z01.811|

    Encounter for preprocedural respiratory examination

  • Z01.812|

    Encounter for preprocedural laboratory examination

  • Z01.818|

    Encounter for other preprocedural examination

  • Z01.82|

    Encounter for allergy testing

  • Z01.83|

    Encounter for blood typing

  • Z01.84|

    Encounter for antibody response examination

  • Z01.89|

    Encounter for other specified special examinations

  • Z02.0|

    Encounter for examination for admission to educational institution

  • Z02.1|

    Encounter for pre-employment examination

  • Z02.2|

    Encounter for examination for admission to residential institution

  • Z02.3|

    Encounter for examination for recruitment to armed forces

  • Z02.4|

    Encounter for examination for driving license

  • Z02.5|

    Encounter for examination for participation in sport

  • Z02.6|

    Encounter for examination for insurance purposes

  • Z02.71|

    Encounter for disability determination

  • Z02.79|

    Encounter for issue of other medical certificate

  • Z02.81|

    Encounter for paternity testing

  • Z02.82|

    Encounter for adoption services

  • Z02.83|

    Encounter for blood-alcohol and blood-drug test

  • Z02.84|

    Encounter for child welfare exam

  • Z02.89|

    Encounter for other administrative examinations

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